From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752092AbcFVSJr (ORCPT ); Wed, 22 Jun 2016 14:09:47 -0400 Received: from mail-pa0-f52.google.com ([209.85.220.52]:35036 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751415AbcFVSJp (ORCPT ); Wed, 22 Jun 2016 14:09:45 -0400 From: Tai Nguyen To: mark.rutland@arm.com, will.deacon@arm.com, catalin.marinas@arm.com Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, patches@apm.com, Tai Nguyen Subject: [PATCH v4 0/4] perf: Add APM X-Gene SoC Performance Monitoring Unit driver Date: Wed, 22 Jun 2016 11:06:55 -0700 Message-Id: <1466618819-2697-1-git-send-email-ttnguyen@apm.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In addition to the X-Gene ARM CPU performance monitoring unit (PMU), there are PMU for the SoC system devices such as L3 cache(s), I/O bridge(s), memory controller bridges and memory. These PMU devices are loosely architected to follow the same model as the PMU for ARM cores. Signed-off-by: Tai Nguyen --- v4: * Alphabetically sorting header files * Remove dynamic allocation for PMU format and event attribute groups Create shared constant attribute groups per each class * Remove perf_sample_data as this perf driver doesn't support sampling * Consistently use the PCP_PMU_V{1,2} defines * Set affinity to make sure the overflow interrupt is handled by the same assigned CPU v3: * Remove index property use in PMU device sub nodes v2: * Use bitmask for event asignned counter mask pmu_dev->cntr_assign_mask * Remove unnecessary spinlocks in perf add/del operations * Remove unnecessary condition checks * Enforce CPU assignment to one CPU for perf operarations * Set the task_ctx_nr to perf_invalid_context for perf driver * Remove irrelevant pt_rregs * Change perf sysfs attributes to be fixed instead of dynamic * Fix checking for an ACPI companion device instead of EFI enable * Add documentation for config/config1 fields format and perf tool example --- Tai Nguyen (4): MAINTAINERS: Add entry for APM X-Gene SoC PMU driver Documentation: Add documentation for APM X-Gene SoC PMU DTS binding perf: xgene: Add APM X-Gene SoC Performance Monitoring Unit driver arm64: dts: apm: Add APM X-Gene SoC PMU DTS entries .../devicetree/bindings/perf/apm-xgene-pmu.txt | 112 ++ Documentation/perf/xgene-pmu.txt | 48 + MAINTAINERS | 8 + arch/arm64/boot/dts/apm/apm-storm.dtsi | 58 + drivers/perf/Kconfig | 7 + drivers/perf/Makefile | 1 + drivers/perf/xgene_pmu.c | 1437 ++++++++++++++++++++ 7 files changed, 1671 insertions(+) create mode 100644 Documentation/devicetree/bindings/perf/apm-xgene-pmu.txt create mode 100644 Documentation/perf/xgene-pmu.txt create mode 100644 drivers/perf/xgene_pmu.c -- 1.9.1